110989109 has 16 divisors (see below), whose sum is σ = 139272576. Its totient is φ = 85924800.

The previous prime is 110989079. The next prime is 110989121. The reversal of 110989109 is 901989011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110989109 - 2²⁴ = 94211893 is a prime.

It is a super-2 number, since 2×110989109² = 24637164633227762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110989139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7499 + ... + 16679.

It is an arithmetic number, because the mean of its divisors is an integer number (8704536).

Almost surely, 2^110989109 is an apocalyptic number.

It is an amenable number.

110989109 is a deficient number, since it is larger than the sum of its proper divisors (28283467).

110989109 is a wasteful number, since it uses less digits than its factorization.

110989109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356.

The product of its (nonzero) digits is 5832, while the sum is 38.

The square root of 110989109 is about 10535.1368761872. The cubic root of 110989109 is about 480.5738348359.

The spelling of 110989109 in words is "one hundred ten million, nine hundred eighty-nine thousand, one hundred nine".